Year	Thousands of Persons
1990-01-01	2.3
1991-01-01	2.4
1992-01-01	2.3
1993-01-01	2.5
1994-01-01	2.3
1995-01-01	2.2
1996-01-01	1.9
1997-01-01	2.0
1998-01-01	1.9
1999-01-01	2.0
2000-01-01	2.1
2001-01-01	2.2
2002-01-01	2.3
2003-01-01	2.3
2004-01-01	2.4
2005-01-01	2.5
2006-01-01	2.5
2007-01-01	2.5
2008-01-01	2.6
2009-01-01	2.5
2010-01-01	2.8
2011-01-01	2.9
2012-01-01	2.8
2013-01-01	2.8
2014-01-01	2.9
2015-01-01	3.0
2016-01-01	3.2
2017-01-01	3.0